giftwrap/giftwrap/builders/package_builder.py

127 lines
4.9 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2014, Craig Tracey <craigtracey@gmail.com>
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
import distutils.dir_util
import logging
import os
import shutil
import tempfile
from giftwrap.builder import Builder
from giftwrap.gerrit import GerritReview
from giftwrap.openstack_git_repo import OpenstackGitRepo
from giftwrap.package import Package
from giftwrap.util import execute
LOG = logging.getLogger(__name__)
class PackageBuilder(Builder):
def __init__(self, spec):
self._tempdir = None
super(PackageBuilder, self).__init__(spec)
def _validate_settings(self):
pass
def _install_gerrit_dependencies(self, repo, project, install_path):
try:
review = GerritReview(repo.head.change_id, project.git_path)
LOG.info("Installing '%s' pip dependencies to the virtualenv",
project.name)
execute(project.install_command %
review.build_pip_dependencies(string=True), install_path)
except Exception as e:
LOG.warning("Could not install gerrit dependencies!!! "
"Error was: %s", e)
def _build(self):
spec = self._spec
self._tempdir = tempfile.mkdtemp(prefix='giftwrap')
src_path = os.path.join(self._tempdir, 'src')
LOG.debug("Temporary working directory: %s", self._tempdir)
for project in spec.projects:
LOG.info("Beginning to build '%s'", project.name)
install_path = project.install_path
LOG.debug("Installing '%s' to '%s'", project.name, install_path)
# if anything is in our way, see if we can get rid of it
if os.path.exists(install_path):
if spec.settings.force_overwrite:
LOG.info("force_overwrite is set, so removing "
"existing path '%s'" % install_path)
shutil.rmtree(install_path)
else:
raise Exception("Install path '%s' already exists" %
install_path)
os.makedirs(install_path)
# clone the project's source to a temporary directory
project_src_path = os.path.join(src_path, project.name)
os.makedirs(project_src_path)
LOG.info("Fetching source code for '%s'", project.name)
repo = OpenstackGitRepo(project.giturl, project.name,
project.gitref,
depth=project.gitdepth)
repo.clone(project_src_path)
# tell package users where this came from
gitinfo_file = os.path.join(install_path, 'gitinfo')
with open(gitinfo_file, 'w') as fh:
fh.write("%s %s" % (project.giturl, repo.head.hexsha))
# start building the virtualenv for the project
LOG.info("Creating the virtualenv for '%s'", project.name)
execute(project.venv_command, install_path)
# install into the virtualenv
LOG.info("Installing '%s' to the virtualenv", project.name)
venv_pip_path = os.path.join(install_path, 'bin/pip')
deps = " ".join(project.pip_dependencies)
execute("%s install %s" % (venv_pip_path, deps))
if spec.settings.include_config:
src_config = os.path.join(project_src_path, 'etc')
dest_config = os.path.join(install_path, 'etc')
if not os.path.exists(src_config):
LOG.warning("Project configuration does not seem to exist "
"in source repo '%s'. Skipping.", project.name)
else:
LOG.debug("Copying config from '%s' to '%s'", src_config,
dest_config)
distutils.dir_util.copy_tree(src_config, dest_config)
if spec.settings.gerrit_dependencies:
self._install_gerrit_dependencies(repo, project, install_path)
execute("%s install %s" % (venv_pip_path, project_src_path))
# now build the package
pkg = Package(project.package_name, project.version,
install_path, spec.settings.output_dir,
spec.settings.force_overwrite,
project.system_dependencies)
pkg.build()
def _cleanup(self):
shutil.rmtree(self._tempdir)